139553011806 has 16 divisors (see below), whose sum is σ = 300575717904. Its totient is φ = 42939388224.

The previous prime is 139553011753. The next prime is 139553011811. The reversal of 139553011806 is 608110355931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894570511 + ... + 894570666.

It is an arithmetic number, because the mean of its divisors is an integer number (18785982369).

Almost surely, 2^139553011806 is an apocalyptic number.

139553011806 is an abundant number, since it is smaller than the sum of its proper divisors (161022706098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139553011806 is a wasteful number, since it uses less digits than its factorization.

139553011806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789141195.

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 139553011806 in words is "one hundred thirty-nine billion, five hundred fifty-three million, eleven thousand, eight hundred six".